Home / 19,052.72-28,586.80-8,669.36

Finding the Fourth Proportional to 19,052.72, 28,586.80 and 8,669.36

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Solution

The fourth proportional to 19,052.72, 28,586.80 and 8,669.36 is: 13,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.72 : 28,586.80 = 8,669.36 : x
  2. Step 2: Convert to fraction form
    19,052.72/28,586.80 = 8,669.36/x
  3. Step 3: Cross multiply
    19,052.72x = 28,586.80 × 8,669.36
  4. Step 4: Simplify right side
    19,052.72x = 247,829,260.45
  5. Step 5: Solve for x
    x = 247,829,260.45/19,052.72
  6. Step 6: Final answer
    x = 13,007.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.